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Dormer Professional Cobalt Steel Drill Bit, 7mm Diameter, 109mm Overall Length, 10 Pieces A7777.0
Specifications
| Country of Origin | France |
|---|---|
| Brand | Dormer |
| Material | Cobalt Steel |
| Model | A7777.0 |
| Finish | Bronze |
| Surface Treatment | Bronze |
| Overall Length | 109mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 7mm |
| Number of Pieces | 10 |
| Flute Type | Helical |
| Standards/Approvals | DIN 338 |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 135° |
| Drilling Length | 69mm |
| RS PRO HSS, 109mm Overall 7 mm 10Brand | RS PRO |
| Dormer HSCo Jobber Drill Bit, 7mm Diameter, 109 mm OverallBrand | Dormer |
Key Features
- Constructed from durable cobalt steel for enhanced toughness and longevity.
- Features 4 helical flutes for efficient chip removal during drilling.
- Bronze finish applied via surface treatment to resist wear and corrosion.
- Designed with a 135° drill point angle for precise and clean drilling.
- Shank is cylindrical/straight with a 7mm size, suitable for standard chucks.
- Right-hand cutting direction optimizes drilling efficiency on tougher materials.
- Complies with DIN 338 standard for jobber drills ensuring performance consistency.
- Drilling length measures 69mm, providing practical depth for various applications.
Product Description
Dormer A7777.0 professional cobalt steel drill bit set offers superior drilling performance with a robust cobalt steel construction, 7mm shank diameter, and 109mm overall length. This set of 10 drill bits is engineered for high tensile and tough materials, featuring 4 helical flutes and a precise 135° drill point angle to ensure efficient drilling and extended tool life.
The bronze surface treatment enhances resistance against wear and corrosion, making these drill bits suitable for demanding industrial environments such as mechanical engineering, fluid power, metal fabrication, and construction applications.
Each bit includes a cylindrical/straight shank that is 7mm in diameter, compatible with most standard drill chucks. The drilling length of 69mm provides effective penetration without compromising control. Right-hand cutting direction and compliance with DIN 338 standards guarantee smooth and accurate drilling results.
Manufactured in France, the Dormer cobalt steel drill bits are professional-grade tools designed for durability and precision. This set provides excellent value for workshops, manufacturing facilities, and maintenance departments requiring reliable drill bits for metal, alloy, and composite materials.
Durable cobalt steel construction for enhanced hardness and heat resistance. 4 helical flutes for superior chip evacuation and reduced clogging. Bronze finish surface treatment for increased corrosion resistance. 135° drill point angle for precise starts and clean holes.
Cylindrical/straight 7mm shank suitable for various drill machines. Right-hand cutting direction optimized for standard drill operation. Complies with DIN 338 standard for jobber Drill Bits. Drilling length of 69mm for effective penetration in tougher materials.
Set contains 10 pieces, ideal for workshop and industrial use. Manufactured in France ensuring high-quality standards.
This Dormer A7777.0 cobalt steel drill bit set is well suited for industrial metalworking, construction, fluid power, and mechanical maintenance applications where durability and accuracy are essential. Browse the Metalworking & Cutting Tools category at EnvMart for additional professional cutting tools and accessories.
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Frequently Asked Questions
The overall length of the Dormer A7777.0 drill bits is 109mm.
The shank diameter for these drill bits is 7mm, designed to fit standard drill chucks.
This set includes a total of 10 drill bits.
These drill bits are constructed from cobalt steel, which enhances their toughness and longevity.
The Dormer A7777.0 drill bits feature a right-hand cutting direction, optimizing drilling efficiency.
The drill point angle of the Dormer A7777.0 bits is 135°, designed for precise and clean drilling.
The drilling length of the Dormer A7777.0 drill bits is 69mm, providing effective penetration for various applications.
These drill bits feature 4 helical flutes for efficient chip removal during drilling.
The drill bits have a bronze finish applied via surface treatment to resist wear and corrosion.
Yes, these drill bits comply with the DIN 338 standard for jobber drills, ensuring performance consistency.
The Dormer A7777.0 drill bits are manufactured in France, adhering to high-quality standards.
These drill bits are suitable for industrial metalworking, construction, fluid power, and mechanical maintenance applications.
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